Among the commentaries on Aristotle's Nicomachean Ethics produced in the Middle Ages, that of Richard Kilvington is one of the most thought-provoking. Kilvington adopts a unique perspective of argumentation in which he applies concepts and terminology from the fields of logic and physics to ethical dilemmas. This unprecedented approach allows him to formulate original solutions to various ethical problems. He concentrates on the will, moral weakness, the relationship between the will and prudence, the change of virtues and vices, and the nature of ethical objects. The presented...

Richard Kilvington was one of the most talented Oxford Calculators. His influence on late medieval philosophy and theology remains unquestionable. He made a name for himself with his logical treatise Sophismata, which was soon followed by a series of three commentaries on Aristotle’s works and a commentary on Peter Lombard’s Sentences. Richard Kilvington on the Capacity of Created Being, Infinity, and Being Simultaneously in Rome and Paris by Monika Michałowska presents a critical edition of question 3 from Kilvington’s Quaestiones super libros Sententiarum, complete with an...